7618789680450 has 576 divisors, whose sum is σ = 22921199616000. Its totient is φ = 1659823902720.

The previous prime is 7618789680449. The next prime is 7618789680473. The reversal of 7618789680450 is 540869878167.

It is a super-2 number, since 2×7618789680450² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1488332991 + ... + 1488338109.

Almost surely, 2^{7618789680450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7618789680450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11460599808000).

7618789680450 is an abundant number, since it is smaller than the sum of its proper divisors (15302409935550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7618789680450 is a wasteful number, since it uses less digits than its factorization.

7618789680450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339 (or 5317 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 7618789680450 in words is "seven trillion, six hundred eighteen billion, seven hundred eighty-nine million, six hundred eighty thousand, four hundred fifty".